Copyright>        OpenRadioss
Copyright>        Copyright (C) 1986-2023 Altair Engineering Inc.
Copyright>
Copyright>        This program is free software: you can redistribute it and/or modify
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Copyright>
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Copyright>        Commercial Alternative: Altair Radioss Software
Copyright>
Copyright>        As an alternative to this open-source version, Altair also offers Altair Radioss
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Chd|====================================================================
Chd|  NINTRN                        source/fluid/nintrn.F         
Chd|-- called by -----------
Chd|        LECFLSW                       source/fluid/lecflsw.F        
Chd|-- calls ---------------
Chd|====================================================================
      INTEGER FUNCTION NINTRN (IEXT,NTN,M,N)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER IEXT, M, N
      INTEGER NTN(M,N)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I
C-----------------------------------------------
      DO 100 I=1,N
      IF(NTN(M,I)==IEXT)THEN
       NINTRN=I
       RETURN
      ENDIF
 100  CONTINUE
       NINTRN=0
      RETURN
      END
